- Collected and integrated data from Facebook Ads, Google Analytics 4, and website tracking systems to capture key e-commerce user events.
- Built and optimized ETL pipelines with Python, PySpark, and ClickHouse (materialized views, query optimization).
- Orchestrated automated data workflows using Airflow and dbt, ensuring data accuracy, completeness, and high performance.
- Collaborated with analytics and marketing teams to deliver clean, actionable datasets for business insights.
- Gained domain knowledge in retail cosmetics to align data solutions with business objectives.